Hey all, my friend is about to get a juice with attitude since he doesnt have gauges and he asked me today what was the difference between the juice and the comp. Since I'm not much of a 24 valve guy, I told him I would have to consult the more experienced for this matter. I have noticed that most higher HP guys that stack run the comps. My question is, what is the difference and why do most run the comp (especially when stacking) instead of the juice? Thanks in advance.

From what i understand, you have to have the attitude monitor to operate the different levels of the juice. So if you already have guages, I would say just go for a comp. I would think you would be able to find one slightly used for a pretty good deal.

It means that you can run more than one tuner at the same time. Example: Edge EZ along with the Smarty programer like I do. Problem with that is that the Edge is a timing box so with the Smarty I can't run it on the odd settings, 1, 3, 5, 7, 9. They all add timing also and that would ruin the engine.

I would still pick the juice with attitude and sell the gauges I already have. The attitude can show up to 4 things at once, and you have the option to monitor just about anything with your engine. it also has safety features you can setup. For example, you can set the juice to back down the throttle if your boost goes too high, or if your egt's go to high. It can beep at you if your fuel pressure goes to low, or if your RPM's go to high, or if your trans temp is too high. It can also backdown the power until the engine warms up. I have mine set so it doesn't add any power until the engine is at least 150*. It can also measure 0-60 and 1/4 mile times if you so desire. Then later if you decide you want a hot juice(drag comp) you don't need to send it in to be reprogrammed, you just buy the upgrade code and enter it into your edge juice to unlock that feature.

There are just so many settings and safety features that it seems very worth it for the $600 I paid for mine.

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2001 QC SB 4x4 2500 w/160k miles
-315hp and 714ft/lbs at the rear wheels
-15.0@92mph and 0-60mph in 6.3 seconds according to the Edge